Three Vouchers & Cashback 2020

Updated September 21, 2020

Getting the best mobile, broadband and SIM plan for your home and handsets is easy with Three! Browse our Three vouchers and Three discount codes for extra savings.

Cashback Rates

£57.50 cashback

for the 12GB data 12 month SIM plan for £10 per month

10 uses today

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£27.50 cashback

for the 4GB data 12 month SIM plan for £6 per month

3 uses today

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£62.50 cashback

for the unlimited data 12 month SIM plan for £18 per month

1 use today

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£72.50 cashback

for the unlimited 24 month SIM plan for £11 per month (half price for first 6 months, then £22 per month)

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£50 cashback

for mobile broadband SIM 24 month plans with 2GB, 5GB, or 10GB of data

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£50 cashback

for mobile broadband SIM 12 month plans with 1GB - 20GB of data

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£15 cashback

for mobile broadband SIM 1 month plans with 2GB - 100GB of data

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£60 cashback

for Huawei B535 mobile broadband device with unlimited data, 24 month contract for £22 per month

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£70 cashback

for Huawei AI Cube with unlimited data on a 24 month contract for £25 per month

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£70 cashback

for Huawei AI Cube with unlimited data on a 12 month contract for £32 per month and £49 upfront

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£60 cashback

for Huawei B535 mobile broadband device with unlimited data, 12 month contract for £27 per month and £29 upfront

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£15 cashback

for Pay As You Go Handsets

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£65 cashback

for the OnePlus Nord 100GB with 100GB Data, £29 upfront cost for £34 per month on a 24 month contract

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£65 cashback

for the iPhone 11 64GB with 100GB Data, £39 upfront cost for £40 per month on a 24 month contract

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£65 cashback

for the iPhone SE 64GB with 100GB Data, £29 upfront cost for £29 per month on a 24 month contract

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£65 cashback

for the iPhone SE 64GB with 30GB Data, £19 upfront cost for £29 per month on a 24 month contract

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£65 cashback

for the Samsung Galaxy A51 128GB with 100GB Data, £19 upfront cost for £23 per month

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£65 cashback

for the Samsung Galaxy A71 128GB with 100GB Data, £29 upfront cost for £27 per month

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£65 cashback

for the iPhone 11 Pro 64GB with 100GB Data, £79 upfront cost for £49 per month on a 24 month contract

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£65 cashback

for the Samsung Galaxy S20+ 5G with 100GB, £49 upfront cost for £45 per month

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£65 cashback

for the Samsung Galaxy S20 5G Cosmic Grey with 100GB, £39 upfront cost for £39 per month

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£65 cashback

for contract handset on-site offers

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£65 cashback

for the Huawei P30 Pro with 100GB Data, £29 upfront cost for £32 per month

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£65 cashback

for the Samsung Galaxy S10 128GB with 100GB Data, £29 upfront cost for £30 per month

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£65 cashback

for the iPhone 11 Pro Max 64GB with 100GB Data, £79 upfront cost for £55 per month on a 24 month contract

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£32.50 cashback

for the 8GB data 12 month SIM plan for £8 per month

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£62.50 cashback

for the 30GB data 12 month SIM plan for £15 per month

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£22.50 cashback

for the 1GB data 12 month SIM plan for £5 per month

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£17.50 cashback

for the unlimited 1 month SIM plan for £24 per month

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£50 cashback

for Apple iPad 7th Generation, 100GB data, 24 month contract for £39 per month with £49 upfront cost

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£50 cashback

for Samsung Galaxy Tab A 10.1 2019, 100GB data, 24 month contract for £27 per month

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£60 cashback

for the Huawei 4G Mobile WiFi with unlimited data for £22 per month

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£50 cashback

for Huawei E5573bs-322 4G Mobile Wi-Fi, 40GB data, 24 month contract for £13 per month

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£50 cashback

for Huawei MediaPad T5, 100GB data, 24 month contract for £25 per month

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£50 cashback

for Apple iPad Pro 11, 40GB data, 24 month contract for £48 per month with £49 upfront cost

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£57.50 cashback
for the 12GB data 12 month SIM plan for £10 per month
10 uses today
Get cashback
£27.50 cashback
for the 4GB data 12 month SIM plan for £6 per month
3 uses today
Get cashback
£62.50 cashback
for the unlimited data 12 month SIM plan for £18 per month
1 use today
Get cashback
£72.50 cashback
for the unlimited 24 month SIM plan for £11 per month (half price for first 6 months, then £22 per month)
Get cashback
£50 cashback
for mobile broadband SIM 24 month plans with 2GB, 5GB, or 10GB of data
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£50 cashback
for mobile broadband SIM 12 month plans with 1GB - 20GB of data
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£15 cashback
for mobile broadband SIM 1 month plans with 2GB - 100GB of data
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£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 24 month contract for £22 per month
Get cashback
£70 cashback
for Huawei AI Cube with unlimited data on a 24 month contract for £25 per month
Get cashback
£70 cashback
for Huawei AI Cube with unlimited data on a 12 month contract for £32 per month and £49 upfront
Get cashback
£60 cashback
for Huawei B535 mobile broadband device with unlimited data, 12 month contract for £27 per month and £29 upfront
Get cashback
£15 cashback
for Pay As You Go Handsets
Get cashback
£65 cashback
for the OnePlus Nord 100GB with 100GB Data, £29 upfront cost for £34 per month on a 24 month contract
Get cashback
£65 cashback
for the iPhone 11 64GB with 100GB Data, £39 upfront cost for £40 per month on a 24 month contract
Get cashback
£65 cashback
for the iPhone SE 64GB with 100GB Data, £29 upfront cost for £29 per month on a 24 month contract
Get cashback
£65 cashback
for the iPhone SE 64GB with 30GB Data, £19 upfront cost for £29 per month on a 24 month contract
Get cashback
£65 cashback
for the Samsung Galaxy A51 128GB with 100GB Data, £19 upfront cost for £23 per month
Get cashback
£65 cashback
for the Samsung Galaxy A71 128GB with 100GB Data, £29 upfront cost for £27 per month
Get cashback
£65 cashback
for the iPhone 11 Pro 64GB with 100GB Data, £79 upfront cost for £49 per month on a 24 month contract
Get cashback
£65 cashback
for the Samsung Galaxy S20+ 5G with 100GB, £49 upfront cost for £45 per month
Get cashback
£65 cashback
for the Samsung Galaxy S20 5G Cosmic Grey with 100GB, £39 upfront cost for £39 per month
Get cashback
£65 cashback
for contract handset on-site offers
Get cashback
£65 cashback
for the Huawei P30 Pro with 100GB Data, £29 upfront cost for £32 per month
Get cashback
£65 cashback
for the Samsung Galaxy S10 128GB with 100GB Data, £29 upfront cost for £30 per month
Get cashback
£65 cashback
for the iPhone 11 Pro Max 64GB with 100GB Data, £79 upfront cost for £55 per month on a 24 month contract
Get cashback
£32.50 cashback
for the 8GB data 12 month SIM plan for £8 per month
Get cashback
£62.50 cashback
for the 30GB data 12 month SIM plan for £15 per month
Get cashback
£22.50 cashback
for the 1GB data 12 month SIM plan for £5 per month
Get cashback
£17.50 cashback
for the unlimited 1 month SIM plan for £24 per month
Get cashback
£50 cashback
for Apple iPad 7th Generation, 100GB data, 24 month contract for £39 per month with £49 upfront cost
Get cashback
£50 cashback
for Samsung Galaxy Tab A 10.1 2019, 100GB data, 24 month contract for £27 per month
Get cashback
£60 cashback
for the Huawei 4G Mobile WiFi with unlimited data for £22 per month
Get cashback
£50 cashback
for Huawei E5573bs-322 4G Mobile Wi-Fi, 40GB data, 24 month contract for £13 per month
Get cashback
£50 cashback
for Huawei MediaPad T5, 100GB data, 24 month contract for £25 per month
Get cashback
£50 cashback
for Apple iPad Pro 11, 40GB data, 24 month contract for £48 per month with £49 upfront cost
Get cashback

50%
OFF
21 uses today

10-50% off SIM Only plans for existing customers

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50% Off

21 uses today

10-50% off SIM Only plans for existing customers

Get Deal

50%
OFF
3 uses today

Student Discount: Free backpack and headphones plus 50% off select plans for 6 months

Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!

Get Deal

50% Off

3 uses today

Student Discount: Free backpack and headphones plus 50% off select plans for 6 months

Get Deal

Enjoy these Three mobile, tablet, and smart tech offers for students and score free gifts plus 50% off for the first 6 months!

£80
OFF
1 use today

Up to £80 off in cash rewards when you refer a friend

Invite your friends and family to get up to £80 off when they sign up for a monthly Three mobile phone, as well as £40 off with SIM only plans and mobile broadband. Grab everyone you know and start saving together!

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£80 Off

1 use today

Up to £80 off in cash rewards when you refer a friend

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£20
2 uses today

Limited Time: 100GB data pack for £20 with the pay as you go plan

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£20

2 uses today

Limited Time: 100GB data pack for £20 with the pay as you go plan

Get Deal

50%
OFF

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!

Get Deal

50% Off

50% off the unlimited data plan on the Samsung Galaxy Note20 for 6 months

Get Deal

Check out this Three mobile deal on the Samsung Galaxy Note20 to take 50% off the unlimited data plan for the first 6 months of your contract. Don't miss out on these savings!